443398 has 16 divisors (see below), whose sum is σ = 699840. Its totient is φ = 210496.

The previous prime is 443389. The next prime is 443407. The reversal of 443398 is 893344.

It is an interprime number because it is at equal distance from previous prime (443389) and next prime (443407).

It is an Ulam number.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4938 + ... + 5026.

It is an arithmetic number, because the mean of its divisors is an integer number (43740).

2⁴⁴³³⁹⁸ is an apocalyptic number.

443398 is a deficient number, since it is larger than the sum of its proper divisors (256442).

443398 is a wasteful number, since it uses less digits than its factorization.

443398 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191.

The product of its digits is 10368, while the sum is 31.

The square root of 443398 is about 665.8813708162. The cubic root of 443398 is about 76.2543417755.

It can be divided in two parts, 4433 and 98, that multiplied together give a palindrome (434434).

The spelling of 443398 in words is "four hundred forty-three thousand, three hundred ninety-eight".